Roman numeral electro-optical display



FIG. 1 is a face view of the basic character and the font formed therefrom of a roman numeral electro-optical display showing my new design;

FIG. 2 is a face view of the basic character of the font formed therefrom of a roman numeral electro-optical display showing a modified form of my new design; and

FIG. 3 is a face view of the basic character and the font formed therefrom of a roman numeral electro-optical display showing another modified form of my new design. 

The ornamental design for a roman numeral electro-optical display, as shown and described. 